Home / 251,097.90-346,574.88-143,729.97

Finding the Fourth Proportional to 251,097.90, 346,574.88 and 143,729.97

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Solution

The fourth proportional to 251,097.90, 346,574.88 and 143,729.97 is: 198,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,097.90 : 346,574.88 = 143,729.97 : x
  2. Step 2: Convert to fraction form
    251,097.90/346,574.88 = 143,729.97/x
  3. Step 3: Cross multiply
    251,097.90x = 346,574.88 × 143,729.97
  4. Step 4: Simplify right side
    251,097.90x = 49,813,197,105.15
  5. Step 5: Solve for x
    x = 49,813,197,105.15/251,097.90
  6. Step 6: Final answer
    x = 198,381.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.